Flexible pipe-joint



Patented Apr. 4, I899. C. H. WEAVER &. L. H. HOUGHTON.

FLEXIBLE PIPE JOINT.

(Application filed. June 8, 1898.)

/N VENTOH- A TTOHNEY.

(No Model.)

No. 622,305. Patented Apr. 4, I899. c. H. WEAVER &. L. H. HOUGHTON.

FLEXIBLE PIPE JOINT. f

(Application filed June 8, 1898.) (No Model.) 2 Sheets8heet 2.

WITNESSES f/ //v VENTOHS, &6. W 6 .4%W m 4/ 06 BY 0 A TTOHNE).

THE Nomys mans c o4 PuoTo-Lnnu wAsHmman, u. c.

NITED STATES PATENT OFFICE.

CHARLES H. WEAVER AND LEMUEL I-I. I-IOUGHTON, OF ELKI-IART, INDIANA,

ASSIGNORS OF ONE-FIFTH TO GRANT S. HOUGIITON, OF CHICAGO, ILLI- NOIS, AND CHARLES J. DONAHUE, OF CLEVELAND, OHIO.

FLEXIBLE PIPE-JOINT.

SPECIFIGATIONforming part of Letters Patent No. 622,305, dated April4, 1899.

Application filed une 8, 1898- Serial No. 682,897. (No model.)

To all whom it may concern: When it is desired to couple up couplings Be it known that we, CHARLES H. IVEAVER A and B, the packing-ring G is slipped over and LEMUEL I-I. HOUGH'ION, citizens of the the connecting-joint C until it engages with United States, residents of Elkhart, county the outwardly-flaring portion of said conof Elkhart, State of Indiana, have invented 'necting-joint. The connecting-joint is then 5 5 a new and useful Improvement in Flexible inserted through the shoulder-opening b of Pipe-Joints, of which the followingis a specicoupling B and is screwed into the opening a iication, the principle of the invention being of coupling A until the shoulder c engages herein explained and the best mode in which with said coupling. Spiral spring E is then 0 we have contemplated applying that prinseated in the seat e of cap E and the washer 6o ciple, so as to distinguish it from other ine slipped over the nipple f of the spider D. ventionsf The spider is seated in the spider-seats c of Our invention relates to fleXiblepipe-joints, the connecting-joint and the cap E screwed and has for its object an expansible and coninto the opening I) of coupling B until a tight 5 tractible metallic" pipe connection whereby joint is formed.

the distance between the termini of the pipe It will readily be seen that this form of may be varied within reasonable limits and coupling permits easy rotative movement of lateral movement of the pipe also had withthe two parts of the coupling, and by locatout causing loss of the fluid passing through ing the several joints in planes at right an- 10 said pipe. gles to each other the complete pipe may be The annexed drawings and the following expanded and contracted longitudinally and description set forth in detail certain mechfree lateral movement of the pipe also had. anism embodying the invention, such dis- Other modes of applying the principle of closed means constituting but one of various our invention may be employed instead of r 5 mechanical forms in which the principle of the one explained, change being made as rethe invention may be used. gards the mechanism herein disclosed, pro- In said annexed drawings, Figure I is a vided the means covered by any one of the plan View of several joints of pipes provided following claims be employed. with our flexible connections. Fig. IIis acen- We therefore particularly point out and 30 tral horizontal longitudinal view taken distinctly claim as our inventionthrough one joint, and Fig. III is a detail view 1. In a flexible pipe-joint, the combination of the connecting joint and spider. of two couplings, a connecting-joint rigid Metallic couplings or pipes, respectively with one coupling, a packing-ring located in- A and B, may be made of any suitable form. termediate of said connecting-joint and sec- 5 5 The coupling A is provided with a threaded 0nd coupling and a pressure device exerting opening a, in which is threaded a connectingpressure against said connecting-joint and joint C, provided with annular shoulders c, packing-ring, substantially as set forth. that forms a tight joint with the coupling A.' 2. In a flexible pipe-joint, the combination The outer portion 0 of said connectingof two couplings, a connecting joint rigid 0 joint flares outwardly. Spider-seats c are with one coupling and loosely fitting in the 0 formed on the inner portion of said joint, and second coupling, a packing-ring interposed in said seats are seated the spider D. Coupbetween said second coupling and connectling B has a threaded opening I), in which is ing-joint, and a spring-pressure device havthreaded a cap E, that is provided with a seat ing bearing against said connecting-joint,

45 e, in which is seated the spiral spring e. A substantially as set forth. washer e is located on the upper portion of 3. In-a flexible pipe-joint, the combination said spring and forms a seat for the nipple f of two couplings, one provided with a conof the spider D. A packing-ring G of bevelnecting-joint, a conical packing-ring interseat formation is located intermediate of the posed between said second coupling and said 50 coupling B and connecting-joint connecting-joint, and a spring-pressed spider 10o seated in said connecting-joint, substantially and a packing-ring interposed between said 10 as set forth. connecting-joint and second coupling, sub- 4. In a flexible pipe-joint, the combination stantially as set forth.

of two couplings, one of said couplings pro- Signed by us this 6th day of June, 1898.

vided with a connecting-joint having an an- CHARLES H. \VEAVER.

nular shoulder bearing against said coupling, LEMUEL II. IIOUGI-ITON.

a screw-cap threaded in said second coupling, Attest:

carrying a spring and a spider, said spider J. C. TURNER,

having bearing" against said connecting-joint D. T. DAVIES. 

